On methods for perfect reconstruction WI speech coding with preprocessing

Abstract

The waveform interpolation (WI) speech coding algorithm has been shown to be an efficient method to describe the evolution of periodic voiced components in the speech signal. However, the conventional WI coding does not provide perfect reconstruction property, i.e. the decoded signal does not converge to the original signal with decreasing quantization… (More)
DOI: 10.1016/S0167-6393(01)00071-1

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